package com.jctrip.hotel.management.util;

import org.apache.commons.lang.StringUtils;

import java.security.MessageDigest;

public class MD5Util {
    public static String encode(String password, String salt) {
        password = StringUtils.isNotBlank(salt) ? password + salt : password;
        MessageDigest md5;
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        char[] charArray = password.toCharArray();
        byte[] byteArray = new byte[charArray.length];

        for (int i = 0; i < charArray.length; i++) {
            byteArray[i] = (byte) charArray[i];
        }
        byte[] md5Bytes = md5.digest(byteArray);
        StringBuffer hexValue = new StringBuffer();
        for (int i = 0; i < md5Bytes.length; i++) {
            int val = ((int) md5Bytes[i]) & 0xff;
            if (val < 16) {
                hexValue.append("0");
            }

            hexValue.append(Integer.toHexString(val));
        }
        return hexValue.toString();
    }
    //测试
    public static void main(String[] args) {
        System.out.println(MD5Util.encode("1123456","i3CwSr5j"));
    }
}